I contact the Google support: they will send me a new one. We will see...
Gesendet von meinem Nexus 4 mit Tapatalk 2
Yes, I have done that. But, still no luck. It's ping-able, so wifi connection is active while screen is off.
Incidentally, while not directly related, does anyone know what the settings "wifi optimization" does in the advanced wifi settings? Could this be related somehow?
What ROM are you running, are you running anything like juice defender or any other battery saving programs? I'd suggest resetting to stock, rooting, modifying the ini and trying again. With an active network connection there should be no reason why your Nexus 4 is delayed. Do you see the same delay when you disable wifi and running on mobile data?
Apparently wifi optimisation changes the DTIM client interval amongst other things, there's not much information on what it does really http://www.anandtech.com/show/6440/g...xus-4-review/4
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